Marenisco, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 29.3 °F (low) to 50.5 °F (high). Annual precipitation averages 34.1 Inches. Marenisco is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.9 °F | 21.1 °F | 1.64 in. |
| February | 3.2 °F | 25.5 °F | 1.33 in. |
| March | 12.6 °F | 36.9 °F | 1.72 in. |
| April | 26.3 °F | 49.2 °F | 2.85 in. |
| May | 39.9 °F | 63.7 °F | 3.49 in. |
| June | 49.7 °F | 73.1 °F | 4.07 in. |
| July | 54.1 °F | 77.0 °F | 4.03 in. |
| August | 51.9 °F | 75.2 °F | 3.54 in. |
| September | 44.8 °F | 67.1 °F | 3.59 in. |
| October | 33.5 °F | 52.8 °F | 3.68 in. |
| November | 22.5 °F | 37.8 °F | 2.24 in. |
| December | 10.4 °F | 26.0 °F | 1.96 in. |
| Annual | 29.3 °F | 50.5 °F | 34.14 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4a : -30°F to -25°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |